IS 11428-1
IS 11428-1 (锻制碳素钢对焊管件规范第 1 部分：)· IS (印度) · 2 种材料
| 名称 | 材料组别 | |
|---|---|---|
| IS 11428 Grade 1 | 结构钢 | chevron_right |
| IS 11428 Grade 2 | 结构钢 | chevron_right |
IS 11428-1 (锻制碳素钢对焊管件规范第 1 部分：)· IS (印度) · 2 种材料
| 名称 | 材料组别 | |
|---|---|---|
| IS 11428 Grade 1 | 结构钢 | chevron_right |
| IS 11428 Grade 2 | 结构钢 | chevron_right |